156916991

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{379}}^1$

素因数の和:699

約数の個数: 32

約数和(自身を含む): 207206400

約数和(自身を除く): 50289409

約数列:

[1, 7, 11, 19, 77, 133, 209, 283, 379, 1463, 1981, 2653, 3113, 4169, 5377, 7201, 21791, 29183, 37639, 50407, 59147, 79211, 107257, 414029, 554477, 750799, 1179827, 2037883, 8258789, 14265181, 22416713, 156916991]

約数ペア:

[(1, 156916991), (7, 22416713), (11, 14265181), (19, 8258789), (77, 2037883), (133, 1179827), (209, 750799), (283, 554477), (379, 414029), (1463, 107257), (1981, 79211), (2653, 59147), (3113, 50407), (4169, 37639), (5377, 29183), (7201, 21791)]